Groove cutting into blank PVC slice?

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TL7
Posts: 9
Joined: Tue Oct 31, 2017 6:53 pm

Groove cutting into blank PVC slice?

Post: # 48666Unread post TL7
Thu Dec 07, 2017 7:47 am

Hello.
I can find blank PVC/polystyrine slices online:
https://www.amazon.com/Styrofoam-Arts-Crafts-Discs-Circles/dp/B006SS2ARY

How can I easily cut grooves into them to prepare the PVC/polystyrine discs for vinyl recording?.

I could select density and depth.
Less depth allows for more re-recording cycles, but with higher danger of the needle sliding off.
More density allows for more recording length on same space, however a narrow width of the spiral track can also cause sliding off and sacrificing audio quality as much as recorder incompatibility. I will find a balanced density manually.

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markrob
Posts: 1703
Joined: Wed Nov 28, 2007 1:14 am
Location: Philadelphia Area

Re: Groove cutting into blank PVC slice?

Post: # 48667Unread post markrob
Thu Dec 07, 2017 10:06 am

Hi,

You don't pre-cut any grooves. The groove is made during the cutting process. You will need to design a lathe and cutter head to accomplish this. Do some searching here and you will see quite a few examples of DIY lathes and heads.

Mark
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